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A024330 as a simple table

na(n)
00
10
21
3-3
47
5-10
6-18
7168
8360
9-19008
10262080
11-2724480
1225194240
13-232951680
142505444480
15-34676812800
16577980748800
17-10296734515200
18185178186547200
19-3347775973785600
2062005095419904000
21-1204098364514304000

[0,0,1,-3,7,-10,-18,168,360,-19008,262080,
 -2724480,25194240,-232951680,2505444480,
 -34676812800,577980748800,-10296734515200,
 185178186547200,-3347775973785600,
 62005095419904000,-1204098364514304000]